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How Do the Lungs & Respiratory System Work? (Video)
You breathe in. You breathe out. But what's happening inside? Watch this movie and find out!
How Lungs Work
You breathe in. You breathe out. But what's happening inside? Watch this movie and find out!
Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.
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